On Sat, May 15, 2021 at 10:41 AM Adam Gołębiowski <ad...@pld-linux.org> wrote:
>
>
> W dniu 2021-05-15 o 15:26, Neal Gompa pisze:
> > On Sat, May 15, 2021 at 6:23 AM Adam Gołębiowski <ad...@pld-linux.org>
> > wrote:
> >>
> >> W dniu 2021-05-15 o 11:52, Neal Gompa pisze:
> >>> On Sat, May 15, 2021 at 5:38 AM Adam Gołębiowski <ad...@pld-linux.org>
> >>> wrote:
> >>>> W dniu 2021-05-13 o 21:32, Elan Ruusamäe pisze:
> >>>>
> >>>>> point of that guard was to wait for support to become available or
> >>>>> someone implement a solution.
> >>>>> (...)
> >>>>> but as no such solution as provided, you need to update obsoletes to
> >>>>> fill **all** package names that provide that file path.
> >>>>>
> >>>>> I refuse to do that myself as it's pretty stupid.
> >>>> ugly, for sure, but unless we come up with another solution (patching
> >>>> rpm to support Obsoletes: /path), we will need to maintain 11 Obsoletes:
> >>>> lines per package ...
> >>>>
> >>> What problem are you trying to solve here? I'm not sure I understand
> >>> why you're doing this.
> >> Each of the php*-program packages provide /usr/bin/php symlink:
> >>
> >> /poldek:/all-avail> install phpcs////Processing
> >> dependencies...////phpcs-3.4.1-2.noarch: required "/usr/bin/php" is
> >> provided by the
> >> following packages:////a) php4-program-4.4.9-67.x86_64////b)
> >> php52-program-5.2.17-20130717.35.x86_64////c)
> >> php53-program-5.3.29-52.x86_64////d) php54-program-5.4.45-30.x86_64////e)
> >> php55-program-5.5.38-22.x86_64////f) php56-program-5.6.40-9.x86_64////g)
> >> php70-program-7.0.33-8.x86_64////h) php71-program-7.1.33-3.x86_64////i)
> >> php72-program-7.2.34-1.x86_64////j) php73-program-7.3.24-1.x86_64////k)
> >> php74-program-7.4.12-2.x86_64////l) php80-program-8.0.0-2.x86_64////Which
> >> one do you want to install ('Q' to abort)?
> >> [php4-program-4.4.9-67.x86_64]/
> >>
> >>
> >>
> >> Prior to rpm switch, each of those packages also had Obsoletes:
> >> /usr/bin/php so that you could easily switch the provider of /usr/bin/php
> >> symlinkL
> >> /poldek:/all-avail> install php80-program-8.0.0-2.x86_64///
> >>
> >> /Loading [pndir]th-2020-updates...
> >> Loading [pndir]th-2020-updates...
> >> Loading [pndir]th-2020...
> >> Loading [pndir]th-2020...
> >> 29952 packages read
> >> Processing dependencies...
> >> php80-program-8.0.0-2.x86_64 marks php80-cli-8.0.0-2.x86_64 (cap
> >> php80-cli = 4:8.0.0-2)
> >> php80-cli-8.0.0-2.x86_64 marks php80-common-8.0.0-2.x86_64 (cap
> >> /etc/php80)
> >> There are 3 packages to install (2 marked by dependencies):
> >> A php80-cli-8.0.0-2.x86_64 php80-common-8.0.0-2.x86_64
> >> php80-program-8.0.0-2.x86_64
> >> This operation will use 4.6MB of disk space.
> >> Need to get 1.4MB of archives (1.4MB to download).
> >>
> >> [1/3] th-2020::php80-common-8.0.0-2.x86_64.rpm [1.4M (1.4M/s)]
> >> [2/3] th-2020::php80-cli-8.0.0-2.x86_64.rpm [51.7K (51.7K/s)]
> >> [3/3] th-2020::php80-program-8.0.0-2.x86_64.rpm [5.0K (5.0K/s)]
> >> Executing pm-command.sh --upgrade -vh --root / --define
> >> _check_dirname_deps 1...
> >> error: failed to open /etc/mtab: No such file or directory
> >> Preparing... ########################################### [100%]
> >> Repackaging...
> >> 1:php72-program ########################################### [100%]
> >> Upgrading...
> >> 1:php80-common ########################################### [ 33%]
> >> 2:php80-cli ########################################### [ 67%]
> >> 3:php80-program ########################################### [100%]
> >> poldek:/all-avail>/
> >>
> >>
> >> But rpm-4 no longer allows / in Obsoletes:
> >>
> >> /Illegal char '/' (0x2f) in: Obsoletes: /usr/bin/php /
> >>
> >> Which makes this smooth transition no longer possible:
> >>
> >> /poldek:/all-avail> install php73-program-7.3.27-1.x86_64//
> >> //Processing dependencies...//
> >> //php73-program-7.3.27-1.x86_64 marks php73-cli-7.3.27-1.x86_64 (cap
> >> php73-cli = 4:7.3.27-1)//
> >> // php73-cli-7.3.27-1.x86_64 marks php73-common-7.3.27-1.x86_64 (cap
> >> libphp_common-7.3.27.so()(64bit))//
> >> //There are 3 packages to install (2 marked by dependencies)://
> >> //A php73-cli-7.3.27-1.x86_64 php73-common-7.3.27-1.x86_64
> >> php73-program-7.3.27-1.x86_64//
> >> //This operation will use 4.2MB of disk space.//
> >> //Need to get 1.2MB of archives.//
> >> //php73-common-7.3.27-1.x86_64.rpm: digests OK//
> >> //php73-cli-7.3.27-1.x86_64.rpm: digests OK//
> >> //php73-program-7.3.27-1.x86_64.rpm: digests OK//
> >> //Executing pm-command.sh --upgrade -vh --root / --define
> >> _check_dirname_deps 0...//
> >> //Verifying... ################################# [100%]//
> >> //Preparing... ################################# [100%]//
> >> // file /usr/bin/php from install of
> >> php73-program-4:7.3.27-1.x86_64 conflicts with file from package
> >> php74-program-4:7.4.19-1.1.x86_64//
> >> // file /usr/share/man/man1/php.1 from install of
> >> php73-program-4:7.3.27-1.x86_64 conflicts with file from package
> >> php74-program-4:7.4.19-1.1.x86_64//
> >> //There were errors//
> >> //poldek:/all-avail>/
> >>
> >> To keep what we had with rpm5 , we either need to patch rpm, or add 11
> >> (as of today) Obsoletes: php${ver}-program lines to each spec.
> > RPM supports using Provides+Conflicts to represent this issue.
> >
> > Provides: php-interpreter
> > Conflicts: php-interpreter
> >
> > When this is set, RPM knows that one and only one implementation
> > providing "php-interpreter" is permitted and permits swapping them.
>
> Nope, this does seem to not work like that:
>
> [adamg@pld-xcp-ng RPMS]$ rpm -q --provides php80-program
> php-interpreter
> php80-program = 4:8.0.6-1.2
> php80-program(x86-64) = 4:8.0.6-1.2
> [adamg@pld-xcp-ng RPMS]$ rpm -q --conflicts php80-program
> php-interpreter
> [adamg@pld-xcp-ng RPMS]$ rpm -qp --provides
> php74-program-7.4.19-1.2.x86_64.rpm
> php-interpreter
> php74-program = 4:7.4.19-1.2
> php74-program(x86-64) = 4:7.4.19-1.2
> [adamg@pld-xcp-ng RPMS]$ rpm -qp --conflicts
> php74-program-7.4.19-1.2.x86_64.rpm
> php-interpreter
> [adamg@pld-xcp-ng RPMS]$ rpm -Uhv php74-program-7.4.19-1.2.x86_64.rpm
> error: Failed dependencies:
> php-interpreter conflicts with php74-program-4:7.4.19-1.2.x86_64
> php-interpreter conflicts with (installed)
> php80-program-4:8.0.6-1.2.x86_64
> [adamg@pld-xcp-ng RPMS]$
>
It should be supported, it was introduced in RPM 4.9:
https://rpm.org/wiki/Releases/4.9.0
Are we patching RPM in a way to break it?
--
真実はいつも一つ！/ Always, there's only one truth!
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